diff --git a/pyproject.toml b/pyproject.toml
index 2fe6669e66..4a671a2278 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,7 +95,7 @@ doc = [
 ssl = []
 certs = []
 core = [
-	"packaging>=24.2",
+	"packaging @ git+https://github.com/ngoldbaum/packaging@abi3.abi3t",
 	"more_itertools>=8.8",
 	"jaraco.text>=3.7",
 	"importlib_metadata>=6; python_version < '3.10'",
diff --git a/setuptools/command/bdist_wheel.py b/setuptools/command/bdist_wheel.py
index 3bdfa0b35a..97121a8796 100644
--- a/setuptools/command/bdist_wheel.py
+++ b/setuptools/command/bdist_wheel.py
@@ -281,11 +281,11 @@ def _validate_py_limited_api(self) -> None:
         if not re.match(PY_LIMITED_API_PATTERN, self.py_limited_api):
             raise ValueError(f"py-limited-api must match '{PY_LIMITED_API_PATTERN}'")
 
-        if sysconfig.get_config_var("Py_GIL_DISABLED"):
+        if sysconfig.get_config_var("Py_GIL_DISABLED") and sys.version_info < (3, 15):
             raise ValueError(
                 f"`py_limited_api={self.py_limited_api!r}` not supported. "
-                "`Py_LIMITED_API` is currently incompatible with "
-                "`Py_GIL_DISABLED`. "
+                "`Py_LIMITED_API` is incompatible with `Py_GIL_DISABLED` "
+                "on Python 3.14 and older. "
                 "See https://github.com/python/cpython/issues/111506."
             )
 
@@ -345,15 +345,19 @@ def get_tag(self) -> tuple[str, str, str]:
             # We don't work on CPython 3.1, 3.0.
             if self.py_limited_api and (impl_name + impl_ver).startswith("cp3"):
                 impl = self.py_limited_api
-                abi_tag = "abi3"
+                if sysconfig.get_config_var("Py_GIL_DISABLED"):
+                    abi_tag = "abi3.abi3t"
+                else:
+                    abi_tag = "abi3"
             else:
                 abi_tag = str(get_abi_tag()).lower()
             tag = (impl, abi_tag, plat_name)
+            tag_str = "-".join(tag)
             # issue gh-374: allow overriding plat_name
             supported_tags = [
                 (t.interpreter, t.abi, plat_name) for t in tags.sys_tags()
             ]
-            assert tag in supported_tags, (
+            assert any((t.interpreter, t.abi, plat_name) in supported_tags for t in tags.parse_tag(tag_str)), (
                 f"would build wheel with unsupported tag {tag}"
             )
         return tag